Chair



FIG. 1 is a front view of a chair showing my design;

FIG. 2 is a rear view of a chair showing my design;

FIG. 3 is a side view of the chair, the opposite side being a mirror image thereof;

FIG. 4 is a top view of the chair; and

FIG. 5 is a bottom view of the chair. 

The ornamental design for a chair, as shown and described. 